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Day: November 21, 2012

My new 17-40mm ƒ/4 ultra-wide angle zoom lens was delivered this afternoon, so I tried it out downtown (and on the rib roast I picked up on the way home tonight — we are having standing rib roast instead of turkey for Thanksgiving). The lens is sharp and has good edge to edge detail, even wide open at slow shutter speeds. The photo of Liz in Patrician Designs was shot at 17mm, ƒ/4 at 1/20 sec at ISO 100. Liz is a little soft because she was laughing, but the sharpness and depth-of-field is impressive. I bumped up the ISO to 400 when I photographed Megumi in Cafe Giuseppe (1/30 at ƒ/4). I photographed the mutual life building at ƒ/11 and One Up at ƒ/7.1. The rib roast was a little more work. I used two flashes, one on the camera, the other in my hand. At 17mm, I was about 3 inches from the roast, so I had to use manual focus, hold the camera with one hand, while aiming the flash with the other (I was too lazy to get out a tripod, which would have made doing the photo much easier). The exposure was 1/160 at ƒ/5.6 ISO 400.

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